Solve these recurrence relations together with the initial conditions given. a) a_n = a_n-1 + 6a_n-2 for n greaterthanorequalto > 2, a_0 = 3, a_1 = 6 b) a_n = 7a_n-1 - 10a_n-2 for n greaterthanorequalto 2, a_0 = 2, a_1 = 1 c) a_n = 6a_n-1 - 8a_n-2 for n greaterthanorequalto 2, a_0 = 4, a_1 = 10 d) a_n = 2a_n-1 - a_n-2 for n greaterthanorequalto 2, a_0 = 4, a_1 = 1 e) a_n = a_n-2 for n greaterthanorequalto 2, a_0 = 5, a_1 = - 1